Home / 1,841.98-2,543.10-1,143.76

Finding the Fourth Proportional to 1,841.98, 2,543.10 and 1,143.76

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Solution

The fourth proportional to 1,841.98, 2,543.10 and 1,143.76 is: 1,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.98 : 2,543.10 = 1,143.76 : x
  2. Step 2: Convert to fraction form
    1,841.98/2,543.10 = 1,143.76/x
  3. Step 3: Cross multiply
    1,841.98x = 2,543.10 × 1,143.76
  4. Step 4: Simplify right side
    1,841.98x = 2,908,696.06
  5. Step 5: Solve for x
    x = 2,908,696.06/1,841.98
  6. Step 6: Final answer
    x = 1,579.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.